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IPFYI
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990

FTPS Control

Low Risk

TCP — File Transfer

Port Overview

Port Number 990
Service Name FTPS Control
Transport Protocol TCP
Category File Transfer
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 990?

FTP control channel over TLS/SSL (implicit). The encrypted version of the FTP control channel (port 21) for secure authentication and commands.

TCP File Transfer Commonly Used

Security Considerations

Port 990 (FTPS Control) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.

Recommendation: Standard security practices apply. Keep software updated and monitor access.

Related Ports — File Transfer

20 FTP Data 21 FTP Control 69 TFTP 82 XFER Utility 115 SFTP (Simple FTP) 117 UUCP Path 139 NetBIOS Session 152 BFTP
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